Trump Wields Strait of Hormuz as Economic Weapon, Bypassing Kinetic Strikes

President Donald Trump has shifted from military strikes to economic strangulation in Iran, maintaining a naval blockade that has reduced Strait of Hormuz shipping traffic by 94% while retaining final approval authority over any resumed kinetic action. The dual blockade—Iran closed the strait on 4 March following 28 February US-Israel strikes, while the US counter-blockaded Iranian ports on 13 April—has choked roughly 20% of global oil shipments and created the largest geopolitical supply disruption in history, according to Dallas Federal Reserve analysis.

Coordination Deepens, Strike Authority Remains

The 28 February attacks, codenamed Operation Epic Fury by Washington and Operation Roaring Lion by Jerusalem, followed sustained lobbying from Israeli Prime Minister Benjamin Netanyahu, who provided intelligence that proved decisive in securing Trump’s authorization. The strikes represented a sharp departure from Biden-era restraint, with Trump maintaining final approval over targeting decisions while coordinating military planning with Israeli counterparts. A conditional ceasefire took effect on 8 April, but Trump has since pivoted to sustaining economic pressure rather than resuming bombing.

CNN documented the collapse in maritime traffic: before the war, roughly 3,000 vessels traversed the strait monthly, carrying an estimated 15 million barrels per day of crude exports. In April, just 191 vessels made the passage—a 94% decline that has stranded approximately 20,000 seafarers and several hundred vessels, per Global Security.

Blockade as Leverage, Not Prelude

Trump’s calculus centers on inflicting economic pain without resuming kinetic strikes. CNN Politics reported in late April that the president directed advisers to extend the blockade indefinitely, with one official describing the strategy as forcing Iran to “cry uncle” on nuclear enrichment. On 3 May, Trump announced Operation Project Freedom—deploying 15,000 service members, guided-missile destroyers, and over 100 aircraft to escort civilian vessels through the strait—positioning the mission as humanitarian while maintaining military pressure.

Iran’s latest proposal, delivered 2 May and confirmed 4 May by CNBC, envisions ending the war and reopening the strait first, deferring nuclear program negotiations. Trump’s response has been equivocal—alternating between openness to talks and threats of resumed strikes “if they misbehave.” The stalemate reflects mutual leverage: Iran controls maritime chokepoints, while the US controls port access and retains strike capability. Al Jazeera quoted an Iranian analyst summarizing the deadlock: “We will not move if the US doesn’t lift its blockade, and Washington will not do so if Iran does not open the strait.”

Oil Markets Price Prolonged Crisis

Brent crude briefly exceeded $110 per barrel in March, with Gate Learn noting prices approached $117 during peak military escalation. The Dallas Fed’s adverse scenario models sustained $110 oil cutting global growth to 2.6% in 2026 while pushing inflation to 5.4%—well above central bank targets. The dual blockade has forced European and Asian refiners to substitute higher-cost Atlantic Basin crude, while stranded tankers create liquidity crunches for shipping operators.

Second-order effects are emerging across Energy-intensive sectors. Semiconductor fabs in the Gulf face input cost pressure, while European chemical manufacturers reliant on naphtha feedstocks scramble for alternatives. The IMF warned in April that prolonged disruption threatens inflation control efforts across advanced economies, complicating central bank rate trajectories.

Defense Contractors Extract Record Backlogs

The strikes triggered immediate equity gains for prime contractors. On 3 March, Lockheed Martin shares jumped 3.4%, RTX rose 4.7%, and Northrop Grumman posted a 6% increase, according to Jacobin. The rally reflected expectations of sustained munitions demand and foreign military sales acceleration.

Those expectations are materializing. In early April, Lockheed received a $4.76 billion award for PAC-3 Missile Segment Enhancement systems, per Defense Security Monitor. In January, the company secured Pentagon approval to quadruple THAAD interceptor production from 96 to 400 units annually, each costing $12.77 million. Fortune reported Lockheed’s backlog reached a record $194 billion in Q4 2025 earnings, with munitions inventories depleted within seven weeks of strikes commencing.

According to Responsible Statecraft, Trump met with contractors in April to discuss quadrupling production capacity across missile systems, signaling sustained procurement even if kinetic operations remain paused. The defense sector now faces a dual risk: electoral pressure if gas prices spike ahead of midterms, versus demand erosion if diplomatic resolution emerges.

Proxy Reactivation and Escalation Risk

On 28 March, the Houthis launched a ballistic missile at Beersheba, resuming attacks after pressure from Iran and Hezbollah, according to regional security assessments. The strike signaled that proxy forces remain active despite the ceasefire, with Bab el-Mandeb and Red Sea shipping facing renewed threats. Hezbollah has violated Lebanon ceasefire terms multiple times, per Global Security, creating secondary flashpoints that could draw Israeli retaliation and collapse the broader ceasefire.

The conflict has also strained Trump’s broader geopolitical positioning. Defense Secretary Pete Hegseth stated on 5 May that any end state must “ensure Iran never has nuclear weapons,” per Pravda Trump, signaling that nuclear dismantlement remains a non-negotiable demand. Yet Trump’s equivocal public statements—oscillating between dealmaking rhetoric and strike threats—create uncertainty for allies and adversaries alike.

Electoral and Fiscal Pressure Mounts

WarCosts.org calculated that through 27 March, the US was spending $1.88 billion daily on the conflict—more every 53 seconds than the median American household earns annually ($75,000). With midterm elections approaching, sustained high gasoline prices pose electoral risk. CNBC noted Trump’s vulnerability on this dimension, with voters directly experiencing fuel cost inflation while geopolitical abstractions remain distant.